A textile marking system developed at Oak Ridge National Laboratory that encodes information invisible to the naked eye could save the U.S. millions of dollars in revenue lost each year to counterfeiters and violators of trade laws.
While Mexican, Caribbean, African and Central American firms commonly use raw materials produced in the United States – and receive exemption from certain import tariffs – some manufacturers routinely falsify country-of-origin certification to avoid paying those taxes. The work of a team led by Glenn Allgood of the Department of Energy labs Computational Sciences and Engineering Division could put an end to the deception.
"Our goal is to have a system using a fluorescent dye or other taggant that will cost just tenths of a cent per taggant, can survive the harsh manufacturing process and will not affect the quality of the garment," Allgood said. "We will also be able to encode specific process information such as the date and place of manufacture."
Ron Walli | EurekAlert!
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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